TDK WiMAX HHM Series HHM1715E1 user manual

Summary of the content on the page No. 1

0.15 0.95
(1/2)
Conformity to RoHS Directive
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1715E1
SHAPES AND DIMENSIONS
1.6±0.1 0.6±0.1
654
Terminal functions
123
1 Unbalanced port
0.55±0.1 0.3±0.1
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
0.1±0.1 0.25±0.1 Dimensions in mm
CIRCUIT DIAGRAM
64 5
Unbalanced Balanced
input output
50Ω 100Ω
12 3
RECOMMENDED PC BOARD PATTERNS
0.3 0.25 0.25
0.3
Unbal port Bal port
Land
ø0.3 Through-hole
Dimensions in mm
Line width be desig

Summary of the content on the page No. 2

(2/2) FREQUENCY CHARCTERISTICS Unbalance 50Ω /Balance 100Ω RETURN LOSS AMPLITUDE BALANCE 0 2 1: 3300.0MHz 1: 3300.0MHz –5 –18.82dB 0.28dB 2: 3600.0MHz 1 2: 3600.0MHz –10 –20.13dB 0.48dB 3: 3900.0MHz 2 3 3: 3900.0MHz –15 1 0 –19.45dB 0.49dB –20 1 3 2 –1 –25 –2 –30 2500 3000 3500 4000 4500 2500 3000 3500 4000 4500 Frequency(MHz) Frequency(MHz) INSERTION LOSS PHASE BALANCE 200 0 1: 3300.0MHz 1: 3300.0MHz 178.29deg. –0.65dB 190 2: 3600.0MHz –0.5 2: 3600.0MHz 178.25deg